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Foreign Currency Transaction Gains and Losses (Tables) | 3 Months Ended
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Mar. 31, 2014
Currency Transaction Gains (Losses) | Currency transaction gains (losses) included in the consolidated statements of operations are as follows:
|  | For the Three Months Ended |
|  | March 31, 2014 |  |  | March 31, 2013 |
|  | (In thousands) |
Operating income |  | $ | 8,069 |  |  | $ | 10,880 |
Other non-operating (expense) income, net |  |  | (932 | ) |  |  | 132 |
Net transaction gains |  | $ | 7,137 |  |  | $ | 11,012 |

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- Definition Tabular disclosure of foreign currency transaction gains and losses. + References No definition available. + Details
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Namespace Prefix: | mat_
Data Type: | nonnum:textBlockItemType
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